Giant seaweed
P2PBuy limit: 11,000·last trade 4m ago
Confidence
Will it fill?92%
Will it profit?93%
Joint confidence85%
Suggested prices
ConservativeSafe fillsBigger margins
Buy at138
Buy fills37%
Sell at143
Sell fills37%
Net / item3 (2.2%)
Est. profit / 4h33.0K
11,000 units · round-trip fill 14%
Insta-sell
137
cheapest buy (full spread)
Insta-buy
144
dearest sell (full spread)
Gross margin
7
GE tax
2
2% per item, max 5M
Net margin
5
3.6% ROI
Volatility
9.8%
price noise (1h history)
How to flip the Giant seaweed
The Giant seaweed is a members-only Old School RuneScape item — “Seaweed of large size.”. Its Grand Exchange buy limit is 11,000 per 4 hours. Right now it buys at 137 gp and sells at 144 gp — a net margin of 5 gp (3.6% ROI) after the 2% Grand Exchange tax of 2 gp. High alchemy yields 1 gp.
To flip it, place a buy offer near 137 gp and a sell offer near 144 gp; the spread minus GE tax is your profit. Confidence figures are model estimates from live OSRS Wiki prices, not guarantees — flip responsibly.
Price history
● insta-buy● insta-sell● moving avg
Why this fill score
Trading volume100%
Two-sided liquidity94%
Recent activity97%
Size vs market73%
Why this profit score
Spread persistence86%
No price spike97%
Margin plausibility100%